The colours of this flag are also found on the Pan-African diaspora flag, designed in 1920 meaning :

RED is the color of the blood which men must shed for their redemption and liberty.

BLACK is the color of the noble and distinguished race to which we belong.

GREEN is the color of the luxuriant vegetation of our Motherland.

https://www.thepanafricanworld.....com/2023/08/21/mart